C111123313121111121111331333133313331323221211113313221333132313331333132211111   >>    C11112331312111112111133133313331333132322121111331322133313231333133313221111   <<    C111123313121111121111331333133313331323221211113313221333132313331333132211113   >>      C111123313121111121111331333133313331323221211113313221333132313331333132211112   >>